One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Lack of water is the #1 trigger of daytime fatigue.
148
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
"Dysania" is the state of finding it hard getting up out of bed in the morning.
33
Bats sleep 18-20 hours per day.
5
The average person falls asleep in seven minutes.
115